Agriculture products are one of the main income sources of developing countries. This study analyzes the road transport system (network) to reveal the network’s structural properties and identifies hubs that consolidate agricultural products to export to China via the China-Laos railway. Analysis of 20 provinces in the Northeast of Thailand has found that the network has 340 districts connected by 1,015 transport routes. The network is sparse, in which all districts cannot be connected to each other. The network has low connectivity efficiency but has high intra-connectivity among districts in the same province. In addition, the network has a modularity structure that can develop the communities. Hubs consolidating agricultural products of the region are Na Khu, Kuchinaria, Mueng Chiyaphum, Nam Phong, Na Wa, Mueang Mukdahan, Prasat and Rasi Salai. The findings of the study draw implications for the government, sector and exporters to design and improve their operations and services.

This study analyzes the tourism network and destinations after the COVID-19 pandemic using social network analysis (SNA). Analysis of 789 destinations in Thailand has found that the destinations are connected by 1,1175 tourism routes. The network is a sparse network with a low network density. It seems to have a scale-free property that reflects that most destinations have low connectivity and a small number of destinations have high connectivity. The network has a large average path length and low clustering coefficient. Different roles of destinations are identified based on degree, betweenness and closeness centrality. The findings draw implications for vitalizing the sector.

The objective of this research is to examine the factors that affect tourism investment in the CLMV countries (Cambodia, Laos, Myanmar, Vietnam and Thailand). This study employs panel data as quarterly data from 2000 - 2019. Data analysis employs the panel unit root test estimated by fixed effect estimation. The results revealed that the Minimum Loan Rate factor has a negative effect on tourism investment while the number of international tourists and Gross Domestic Product (GDP) positively affect tourism investment. Therefore, in each CLMVT country, the relevant authorities should determine a suitable Minimum Loan Rate (MLR), target tourism promotion as a single region and pursue policies that enhance the economy. Such policy should support employment in the tourism sector and enhance the economic system of the CLMVT countries.

This study aims to study the macroeconomic factors that affect the rate of return of securities in the transport and service category of the Stock Exchange of Thailand. The category comprises three groups: media services, tourism, hotel and recreation and transport and logistics. The study employs quarterly data from 2001 to 2019 estimated with the ARDL bounds testing approach. The results reveal that media services, tourism, hotel and recreation and transport and logistics groups in the tourism and service category were cointegrated with stock exchange volume (in thousands of shares), exchange rate, gold bullion price, interest rate and diesel oil price. This study also found the long-term equilibriums of the macroeconomic factors deviated from the short-run to long run for three groups. The gold bullion price factor is a major factor in determining the long run. This study suggests that the gold bullion price is an alternative indicator for investment. Investors in the transport and logistics group should focus on the exchange rate, the gold bullion price, the interest rate and the diesel oil price before investment. Investors should consider the level of the exchange rate before investing in the media service group in the Stock Exchange of Thailand while investors in the tourism, hotel and recreation group of the Stock Exchange of Thailand should be recognize the stock exchange volume.